Number of nX5 arrays of permutations of 5 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.
A267739
Number of nX5 arrays of permutations of 5 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =126a(2) =207a(3) =633a(4) =1811a(5) =4997a(6) =13856a(7) =38736a(8) =109231a(9) =310419a(10) =888448a(11) =2558995a(12) =7412354a(13) =21577360a(14) =63084725a(15) =185133501a(16) =545075812a(17) =1609314717a(18) =4762800580a(19) =14124361768a(20) =41959331051a(21) =124832686231a(22) =371852935856
External references
- oeis: A267739